The protostomes include most invertebratephyla

a. True
b. False


ANSWER: True

Biology & Microbiology

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The endodermis

(a) is the outer covering of the root. (b) is part of the vascular tissue. (c) contains the Casparian strip, which regulates the movement of substances. (d) is none of the above.

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A viticulturist wants to grow larger grapes. Which specific hormone would a viticulturist apply to the plants?  

A.  auxin B.  cytokinin C.  gibberellin D.  abscisic acid E.  ethylene

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What do biologists use in order to identify clones that contain the DNA fragment of interest?

a. probes b. plasmids c. templates d. primers e. ligases

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In which area would significant water conservation have the greatest impact?

A) power plant cooling B) agriculture C) the home D) car washes

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